An early influential Google Maps mashup now gives users the chance to change mapping imagery. The GMaps Pedometer (our GMaps Pedometer mashup profile) has six different tile options, the most recent of which is OpenStreetMap, the free editable map of the world.

The CallR Webhooks API allows you to subscribe to events that will push a JSON payload to your URL whenever the events occur. With webhooks, you receive a JSON payload when events occur on the CallR...